ANSI INCITS368-2003 Information technology - Passive Interconnect Perfomance (PIP)《信息技术.无源互连性能(PIP)》.pdf
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1、ANSI INCITS 368-2003for Information Technology Parallel Interconnect Performance (PIP)ANSIINCITS 368-2003Copyright American National Standards Institute Provided by IHS under license with ANSINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ANSIINCITS 368-2003Americ
2、an National Standardfor Information Technology Parallel Interconnect Performance (PIP)SecretariatInformation Technology Industry Council (ITI)Approved June 5, 2003American National Standards Institute, Inc.AbstractThis standard defines the electrical measurement techniques and acceptable performance
3、 limits for vari-ous test parameters on the collection of wires, connectors, and circuits that form the electrical path be-tween SCSI devices. This document specifies the details of the measurement methodology to minimizethe error in results from different electrical testing laboratories. Details ar
4、e given at each stage of testingincluding calibration, fixturing and sample preparation.Copyright American National Standards Institute Provided by IHS under license with ANSINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Approval of an American National Standard
5、requires review by ANSI that therequirements for due process, consensus, and other criteria for approval havebeen met by the standards developer.Consensus is established when, in the judgement of the ANSI Board ofStandards Review, substantial agreement has been reached by directly andmaterially affe
6、cted interests. Substantial agreement means much more thana simple majority, but not necessarily unanimity. Consensus requires that allviews and objections be considered, and that a concerted effort be madetowards their resolution.The use of American National Standards is completely voluntary; their
7、existence does not in any respect preclude anyone, whether he has approvedthe standards or not, from manufacturing, marketing, purchasing, or usingproducts, processes, or procedures not conforming to the standards.The American National Standards Institute does not develop standards andwill in no cir
8、cumstances give an interpretation of any American NationalStandard. Moreover, no person shall have the right or authority to issue aninterpretation of an American National Standard in the name of the AmericanNational Standards Institute. Requests for interpretations should beaddressed to the secreta
9、riat or sponsor whose name appears on the titlepage of this standard.CAUTION NOTICE: This American National Standard may be revised orwithdrawn at any time. The procedures of the American National StandardsInstitute require that action be taken periodically to reaffirm, revise, orwithdraw this stand
10、ard. Purchasers of American National Standards mayreceive current information on all standards by calling or writing the AmericanNational Standards Institute.American National StandardPublished byAmerican National Standards Institute, Inc.25 West 43rd Street, New York, NY 10036Copyright 2003 by Info
11、rmation Technology Industry Council (ITI)All rights reserved.No part of this publication may be reproduced in anyform, in an electronic retrieval system or otherwise,without prior written permission of ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of AmericaCAUTION: The
12、 developers of this standard have requested that holders of patents that may berequired for the implementation of the standard disclose such patents to the publisher. However,neither the developers nor the publisher have undertaken a patent search in order to identifywhich, if any, patents may apply
13、 to this standard. As of the date of publication of this standardand following calls for the identification of patents that may be required for the implementation ofthe standard, no such claims have been made. No further patent search is conducted by the de-veloper or publisher in respect to any sta
14、ndard it processes. No representation is made or impliedthat licenses are not required to avoid infringement in the use of this standard.Copyright American National Standards Institute Provided by IHS under license with ANSINot for ResaleNo reproduction or networking permitted without license from I
15、HS-,-,-iContentsPageForeword viiiIntroduction xii1 Scope .12 References .22.1 Overview .22.2 Approved references .22.3 References under development 22.4 Informative references 23 Definitions .33.1 Terms 33.2 Acronyms 93.3 Symbols and abbreviations .93.4 Keywords 103.5 Conventions 113.6 Specification
16、 of measurement equipment .114 Overview .134.1 General .134.2 Open vs. closed systems related to this standard .134.3 Structural considerations .134.3.1 SCSI interconnects 134.3.2 SCSI passive interconnect topology 144.3.3 Interconnect sub-assemblies, transition regions, and bulk cable .144.3.4 Inte
17、rconnect assemblies 144.3.5 Relationship between SE and DF in this document .154.4 Relationship between requirements on bulk cable and requirements on interconnect assemblies 154.5 Physical measurement points .154.6 Concatenated configurations 154.7 Interoperability points 164.8 Constructions consid
18、ered 164.9 Identification, constraints and loading requirements .174.9.1 Connector function identification 174.9.2 Constraints .174.9.3 Standard loads .184.9.3.1 Targets and initiators with no enabled terminator .184.9.3.2 Targets and initiators with enabled terminator 184.10 Nature of requirements
19、.184.10.1 Measurements and tests 184.10.2 Performance levels and applications .184.10.3 Basic performance requirements for interconnect assemblies 194.10.3.1 Overview .194.10.3.2 Measurement conditions for non-precomp received signal quality requirements .204.10.3.3 Measurement conditions for precom
20、p received signal quality requirements 204.10.4 Deriving the launch signal requirements for this standard from the signal requirements in SPI-x .204.11 Local neighborhood concepts .214.12 Length specifications .214.13 S21 relationship among point to point and multidrop configurations .214.14 Accommo
21、dation of receiver compensation in interconnect requirements .22Copyright American National Standards Institute Provided by IHS under license with ANSINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ii4.15 Instrumentation and text fixture considerations .234.16 Sig
22、nals covered by this standard 244.17 Error rate considerations .265 Summary bulk cable .276 Bulk cable samples, test fixtures and setups 296.1 Bulk cable samples and sample preparation 296.1.1 Overview 296.1.2 Summary 296.1.3 Point to point bulk cable .306.1.3.1 Point to point bulk cable sample prep
23、aration (SP_Bulk_PP3) 306.1.3.2 Point to point bulk cable sample preparation (SP_Bulk_PP10) 306.1.3.3 Point to point bulk cable sample preparation (SP_Bulk_PP25) 306.1.4 Sample preparation for multi-drop bulk cable or printed circuit boards 306.1.4.1 Multi-drop bulk cable sample preparation (SP_Bulk
24、_MD3) 306.1.4.2 Printed circuit boards sample preparation .316.2 Bulk cable and printed circuit board test fixture specifications 316.2.1 Overview 316.2.2 Summary 316.2.3 Test fixture (FIX_Bulk_1) .326.2.4 Test fixture (FIX_Bulk_2) .336.2.5 Test fixture (FIX_Bulk_3) .346.2.6 Test fixture (FIX_Bulk_4
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